from copy import deepcopy
from pathlib import Path
from shutil import copy
import json

journal_path = Path.home() / '.journal.json'

copy(str(journal_path), str(journal_path.with_suffix('.bkp')))

journal = json.loads(journal_path.read_text())
new_journal = deepcopy(journal)

for day in journal['days']:
    new_entries = []
    for entry in journal['days'][day]['entries']:
        new_blocks = []
        for block in entry['blocks']:
            if not isinstance(block, str) and block['type'] == 'post':
                new_blocks.append({
                    'type': 'post',
                    'timestamp': block.get('timestamp', entry['timestamp'] + 30)
                })

                if content := block.get('content'):
                    new_blocks.append(content)
            else:
                new_blocks.append(block)
        
        entry['blocks'] = new_blocks
        new_entries.append(entry)
        
    new_journal['days'][day]['entries'] = new_entries

journal_path.write_text(json.dumps(new_journal))